/* Toggle News */

var newsvisible=0;
function toggle_news()
{
	
	if(newsvisible==0)
	{
		smoothHeight('personalise_news',0,72,5, 'o')
		newsvisible=1;
	} else
	{
		smoothHeight('personalise_news',72,0,5, 'o')
		newsvisible=0;
	}
	
}

function display_news()
{

	ajax.open("GET", '/ajax/news.frontpage.php?news_articles=' + newsarticles, true);
	ajax.onreadystatechange = news_updateresponse;
	ajax.send(null);
}

function news_updateresponse()
{
	 if (ajax.readyState == 4)
	 {
	 	document.getElementById('newsarticles').innerHTML=ajax.responseText;	 	
	 	newsarticles=document.getElementById('news_new').value;
	 }
}

function more_news()
{
	newsarticles++;
	if(newsarticles>6) newsarticles=6;
	setCookie('news_articles',newsarticles,90)
	display_news();
}

function less_news()
{
	newsarticles--;
	if(newsarticles<0) newsarticles=0;
	setCookie('news_articles',newsarticles,90)
	display_news();
}

function save_news()
{
	smoothHeight('personalise_news',72,0,5, 'o')
	newsvisible=0;
	
	for(var x=0; x<channels.length; x++)
	{		
		if(document.getElementById('news_channel_' + channels[x]).checked)
		{
			setCookie('news_channel_' + channels[x],'yes',90)
		} else
		{
			setCookie('news_channel_' + channels[x],'',90)
		}
	}
	
	display_news();
}

function popup_news(id)
{
	popup_startupdate('/ajax/popup_news.php?id=' +id);
	setVisible('popup');
}